# X is what percent of Y?

is what percent of ?

Formula

The formula to know what percentage a value represents compared to another is as follows:

`percentage = first number / second number * 100`

Divide the first value by the second value, and multiply that result by 100 to get the percentage.

# What is X% of Y?

What is % of ?

Formula

The formula to know what the percentage of a value represents is as follows:

`value = first number * second number / 100`

Multiply the first value by the second value, and divide that result by 100 to get the actual value.

# What is the percentage increase or decreease?

What is the increase/decrease from to ?

Formula

The formula to know what the percentage increase or decrease betweeen two numbers is as follows:

`difference = first number - second numberpercentage = difference / first number * 100`

Subtract your first number with your second to get the difference between both numbers. Then, divide that difference by the first number, and multiply by 100 to get the percentage increase, or decrease if negative.